Lanzhou Weather in September
September in Lanzhou typically sees daytime highs of 22°C (72°F) and nighttime lows of 11°C (52°F). Rainfall is also possible this month, so it's worth packing an umbrella.
Rainfall in Lanzhou in September
Records from the past 30 years suggest around 14 days of rain, with 76 mm (3 in) average for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Lanzhou in September
September in Lanzhou is generally perfect, with days reaching 22°C (72°F) and nights settling around 11°C (52°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights drop to around 11°C (52°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in Lanzhou in September
The city usually sees around 193 hours of sunlight, indicating many sunny days — a great month for sightseeing.Our weather planner can help you find worldwide destinations with pleasant weather during this period. April, May, June, July, August and September typically offer the best weather for Lanzhou.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit China, check out our Lanzhou's climate page.
Lanzhou Temperature in September
Min Temperature
11°C (52°F)
Max Temperature
22°C (72°F)
Chance of Rain
45%
Precipitation
76 mm (3 in)
Rainy days
14 days
Humidity
69%
Sunshine
193 hours
Percentage Sunshine
52%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Lanzhou typically drop from around 23°C (73°F) at the start of September to approximately 20°C (68°F) by the end. Nights are cool, with lows typically ranging from 9°C (48°F) to 14°C (57°F).
Average temperatures in September
Historical weather for Lanzhou in September
Browse day-by-day weather records for Lanzhou spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Lanzhou historical weather extremes in September
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Lanzhou.
- Lanzhou recorded its highest September temperature of 34°C (93°F) on September 7, 1997.
- The coldest September day was on September 18, 2011, with a maximum of 7°C (45°F).
- Lanzhou registered its coldest September night on September 28, 2018, with temperatures dropping to 1°C (34°F).
Best Places in China in September
Find out more about the weather in China and which places have the best travel conditions in this month. See all of China in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Lanzhou in September
Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Lanzhou in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit China, check out our Lanzhou's climate page.
Temperature Rainfall Sunshine Humidity
See the full Lanzhou climate overview or explore weather in China.
